diff options
Diffstat (limited to 'base/common/src/com/netscape/cmscore/dbs/ObjectStreamMapper.java')
-rw-r--r-- | base/common/src/com/netscape/cmscore/dbs/ObjectStreamMapper.java | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/base/common/src/com/netscape/cmscore/dbs/ObjectStreamMapper.java b/base/common/src/com/netscape/cmscore/dbs/ObjectStreamMapper.java new file mode 100644 index 000000000..f77a36ed4 --- /dev/null +++ b/base/common/src/com/netscape/cmscore/dbs/ObjectStreamMapper.java @@ -0,0 +1,136 @@ +// --- BEGIN COPYRIGHT BLOCK --- +// This program is free software; you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation; version 2 of the License. +// +// This program is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License along +// with this program; if not, write to the Free Software Foundation, Inc., +// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +// +// (C) 2007 Red Hat, Inc. +// All rights reserved. +// --- END COPYRIGHT BLOCK --- +package com.netscape.cmscore.dbs; + +import java.io.ByteArrayInputStream; +import java.io.ByteArrayOutputStream; +import java.io.IOException; +import java.io.ObjectInputStream; +import java.io.ObjectOutputStream; +import java.util.Enumeration; +import java.util.Vector; + +import netscape.ldap.LDAPAttribute; +import netscape.ldap.LDAPAttributeSet; + +import com.netscape.certsrv.apps.CMS; +import com.netscape.certsrv.base.EBaseException; +import com.netscape.certsrv.dbs.EDBException; +import com.netscape.certsrv.dbs.IDBAttrMapper; +import com.netscape.certsrv.dbs.IDBObj; +import com.netscape.certsrv.logging.ILogger; + +/** + * A class represents ann attribute mapper that maps + * a Java object into LDAP attribute, + * and vice versa. + * + * @author thomask + * @version $Revision$, $Date$ + */ +public class ObjectStreamMapper implements IDBAttrMapper { + + private String mLdapName = null; + private Vector<String> v = new Vector<String>(); + private ILogger mLogger = CMS.getLogger(); + + /** + * Constructs object stream mapper. + */ + public ObjectStreamMapper(String ldapName) { + mLdapName = ldapName; + v.addElement(mLdapName); + } + + /** + * Retrieves a list of supported ldap attributes. + */ + public Enumeration<String> getSupportedLDAPAttributeNames() { + return v.elements(); + } + + /** + * Maps object to ldap attribute set. + */ + public void mapObjectToLDAPAttributeSet(IDBObj parent, String name, + Object obj, LDAPAttributeSet attrs) + throws EBaseException { + try { + ByteArrayOutputStream bos = new ByteArrayOutputStream(); + ObjectOutputStream os = new ObjectOutputStream(bos); + + os.writeObject(obj); + byte data[] = bos.toByteArray(); + if (data == null) { + CMS.debug("ObjectStreamMapper:mapObjectToLDAPAttributeSet " + + name + " size=0"); + } else { + CMS.debug("ObjectStreamMapper:mapObjectToLDAPAttributeSet " + + name + " size=" + data.length); + } + attrs.add(new LDAPAttribute(mLdapName, + data)); + } catch (IOException e) { + + /*LogDoc + * + * @phase Maps object to ldap attribute set + * @message ObjectStreamMapper: <exception thrown> + */ + mLogger.log(ILogger.EV_SYSTEM, ILogger.S_DB, ILogger.LL_FAILURE, + CMS.getLogMessage("CMSCORE_DBS_OBJECTSTREAM_MAPPER_ERROR", + e.toString())); + throw new EDBException( + CMS.getUserMessage("CMS_DBS_SERIALIZE_FAILED", name)); + } + } + + /** + * Maps LDAP attributes into object, and put the object + * into 'parent'. + */ + public void mapLDAPAttributeSetToObject(LDAPAttributeSet attrs, + String name, IDBObj parent) throws EBaseException { + try { + LDAPAttribute attr = attrs.getAttribute(mLdapName); + + if (attr == null) { + return; + } + ByteArrayInputStream bis = new ByteArrayInputStream( + (byte[]) attr.getByteValues().nextElement()); + ObjectInputStream is = new ObjectInputStream(bis); + + parent.set(name, is.readObject()); + } catch (IOException e) { + throw new EDBException( + CMS.getUserMessage("CMS_DBS_DESERIALIZE_FAILED", name)); + } catch (ClassNotFoundException e) { + throw new EDBException( + CMS.getUserMessage("CMS_DBS_DESERIALIZE_FAILED", name)); + } + } + + /** + * Maps search filters into LDAP search filter. + */ + public String mapSearchFilter(String name, String op, + String value) throws EBaseException { + return mLdapName + op + value; + } +} |